Authorities in Austria have arrested a second alleged spy for Russia in a week, according to media reports. Several Austrian news outlets reported on Monday that police had arrested an Austrian counterintelligence officer on suspicion of passing classified information to Russian intelligence.

The Austrian Ministry of Foreign Affairs summoned the Russian ambassador to Vienna on Friday, following the arrest of a retired Austrian Army colonel who allegedly spied for Moscow for more than two decades.

China summoned the U.S. ambassador in Beijing and postponed joint military talks in protest against a U.S. decision to sanction a Chinese military agency and its director for buying Russian fighter jets and a surface-to-air missile system.

China has summoned the American ambassador and the defence attache and recalled its navy commander from a US trip to deliver a strong protest against economic sanctions Washington lodged over the purchase of Russian fighter jets and surface-to-air missile equipment.

Russian President Vladimir Putin is looking into a possible meeting with Mexican President-Elect Andres Manuel Lopez Obrador late this year in Mexico or Argentina, Russian news agency Tass reported on Tuesday.

Georgia has extradited a Russian man to the United States to face charges that he took part in a massive computer hacking scheme that targeted JPMorgan Chase & Co and other Wall Street firms, U.S. prosecutors announced on September 7.

Amidst extreme tensions ratcheting up over the past days as Russian and Syrian forces have initiated their final assault on al-Qaeda held Idlib, the presidents of Iran, Russia, and Turkey are meeting in what’s broadly described as a “high stakes summit” in Tehran on Friday.

Russia will flex its military muscles and hold the biggest war games since the Cold War era next month, including almost 300,000 troops and 1,000 aircraft, the Russian defense ministry said Tuesday, leading NATO to warn of a “more assertive Russia.”

The U.S. Navy has formally re-established its 2nd Fleet as a result of a renewed focus on the North Atlantic Ocean, where the Russian military has been operating with increasing frequency in a way not seen since the Cold War.

The White House’s top lawyer has cooperated extensively with the special counsel investigating Russian interference in the 2016 U.S. election, sharing detailed accounts about the episodes at the heart of the inquiry into whether President Donald Trump obstructed justice, the New York Times reported on Saturday.